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tester [92]
3 years ago
10

The inerquartile range of 10 , 11 ,12 ,13 ,

Mathematics
2 answers:
Lorico [155]3 years ago
5 0

Answer:

IQR = 2

Step-by-step explanation:

The first step is to find the median of the data set.

The median is the middle value of the data arranged in ascending order. If there is no middle value then it is the average of the values either side of the middle

10,  11,  12,  13

         ↑ middle

median = \frac{11+12}{2} = \frac{23}{2} = 11.5

The interquartile range ( IQR) is the difference between the upper quartile Q₃ and the lower quartile Q₁

Q₃ is the middle of the data to the right of the median and Q₁ is the middle of the data to the left of the median.

12,  13

   ↑

Q₃ = \frac{12+13}{2} = \frac{25}{2} = 12.5

10, 11

   ↑

Q₁ = \frac{10+11}{2} = \frac{21}{2} = 10.5

Then

IQR = Q₃ - Q₁ = 12.5 - 10.5 = 2

Tatiana [17]3 years ago
4 0

Answer:

hagsjwugabalqiwywowi7w

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Aleksandr [31]

 y = - 4x + - 8 is equation of slope-intercept form.

What is in slope-intercept form?

  • Given the slope of the line and the intercept it forms with the y-axis, one of the mathematical forms used to derive the equation of a straight line is called the slope intercept form.
  • Y = mx + b, where m is the slope of the straight line and b is the y-intercept, is the slope intercept form.

the equation of slope - intercept form

                               y = mx + c

( -1 , -4 ) is point shown in graph

            slope = -y/x

                     = - ( -4)/-1  = 4/-1 = -4

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             y = - 4x + - 8

Learn more about slope-intercept form

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8 0
1 year ago
Help me please. <br> F(x) = 4 - 3x <br> f(10) =
tigry1 [53]

Answer:

f(10) = - 26

Step-by-step explanation:

To evaluate f(10), substitute x = 10 into f(x), that is

f(10) = 4 - 3(10) = 4 - 30 = - 26

8 0
3 years ago
Figure PQRS is a rectangle.
il63 [147K]

Answer:

4th option.

Step-by-step explanation:

PQ is not congruent to QR, instead it is PQ is perpendicular to QR.

6 0
3 years ago
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3 0
3 years ago
HELP
Otrada [13]

Answer:

(x + 2)² + (y + 9)² = 49

Step-by-step explanation:

Equation:

(x - h)² + (y - k)² = r²

(x - -2)² + (y - -9)² = 7²

(x + 2)² + (y + 9)² = 49

5 0
3 years ago
Read 2 more answers
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